CN211819475U - Hydraulic support system for maintaining initial supporting force - Google Patents
Hydraulic support system for maintaining initial supporting force Download PDFInfo
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- CN211819475U CN211819475U CN202020115797.0U CN202020115797U CN211819475U CN 211819475 U CN211819475 U CN 211819475U CN 202020115797 U CN202020115797 U CN 202020115797U CN 211819475 U CN211819475 U CN 211819475U
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- hydraulic
- supporting
- hydraulic support
- maintaining
- supporting seat
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Abstract
The utility model relates to the technical field of mining equipment, and provides a hydraulic support system for maintaining initial support force, which comprises a plurality of groups of hydraulic support groups, a hydraulic pump station for supplying liquid to the hydraulic support groups, and a pipeline arranged between the hydraulic pump station and the hydraulic support groups; a first stop valve is arranged on a pipeline between a hydraulic support group and a hydraulic pump station, and the first stop valve is positioned at the oil supply end of the hydraulic support group; the hydraulic support group comprises a plurality of hydraulic supports which are arranged in sequence, and each hydraulic support comprises a base, an upright post and a top beam; a supporting device for supporting the top beam is arranged between the top beam and the base. The utility model provides a hydraulic support system can effectively keep hydraulic support's initial supporting force, improves work efficiency, effectively avoids the potential safety hazard.
Description
Technical Field
The utility model belongs to the technical field of mining equipment, more specifically the utility model relates to a hydraulic support system for keeping just supporting power.
Background
The hydraulic support system is used for controlling the mine pressure of the coal face, and the mine pressure of the coal face acts on the hydraulic support in an external load mode. In actual production, as the old aging of the support plate valve and the pipeline is very serious, the leakage and the liquid channeling are very much, the initial supporting force of the hydraulic support on the working face is insufficient, the top plate is seriously descended, the working efficiency is seriously influenced, and great potential safety hazards exist.
SUMMERY OF THE UTILITY MODEL
To foretell not enough among the prior art, the utility model provides a hydraulic support system for keeping just supporting power can effectively keep hydraulic support's just supporting power, improves work efficiency, effectively avoids the potential safety hazard.
In order to achieve the above object, the utility model discloses a solution is: a hydraulic support system for maintaining initial support force comprises a plurality of groups of hydraulic support groups, a hydraulic pump station for supplying liquid to the hydraulic support groups, and a pipeline arranged between the hydraulic pump station and the hydraulic support groups; a first stop valve is arranged on a pipeline between a hydraulic support group and a hydraulic pump station, and the first stop valve is positioned at the oil supply end of the hydraulic support group; the hydraulic support group comprises a plurality of hydraulic supports which are arranged in sequence, and each hydraulic support comprises a base, an upright post and a top beam; a supporting device for supporting the top beam is arranged between the top beam and the base.
Furthermore, a second stop valve is arranged on a pipeline between the hydraulic support and the hydraulic pump, and the second stop valve is positioned at the oil supply end of the hydraulic support.
Further, a hydraulic support group comprises 10-15 hydraulic supports.
Further, the first stop valve is a 25# stop valve, and the second stop valve is a 16# stop valve.
Further, the supporting device comprises a supporting seat, a supporting column which is connected with the supporting seat in a sliding way, and a locking device which is used for locking and unlocking the supporting column and the supporting seat; the supporting seat is fixedly arranged on the base, the supporting column is positioned on one side, away from the base, of the supporting seat, and one end, away from the supporting seat, of the supporting column is fixed on one side, close to the base, of the top beam.
Furthermore, the locking device comprises a pair of locking blocks arranged on two sides of the supporting column and a driving device used for driving the locking blocks to be close to and far away from the supporting column; the support column surface is provided with a plurality of first tooth portions, and first tooth portion is located the central axis both sides of support column respectively, and one side that the locking piece is close to the support column is provided with the second tooth portion with first tooth portion meshing, and first tooth portion all sets up to right angle shape with second tooth portion.
Further, the first tooth part is positioned at one end of the support column close to the support seat; one side that the locking piece is close to the supporting seat sets up to the plane and with supporting seat butt.
Furthermore, drive arrangement includes a pair of fixed pneumatic cylinder of locating the supporting seat and keeping away from base one end, and one side fixed connection of support column is kept away from to the telescopic link of a pneumatic cylinder and a locking piece, and the pneumatic cylinder is used for driving the locking piece and is close to and keeps away from the support column.
Further, the hydraulic cylinder is connected with a pipe between the hydraulic pump stations.
Further, the stand is provided with 2, and strutting arrangement locates between 2 stands.
The utility model has the advantages that: when the hydraulic support system is used, the oil supply end of each group of hydraulic support group is provided with a first stop valve, when the hydraulic support system is started, the first stop valves of the oil supply ends of partial hydraulic support groups can be selectively opened to supply liquid to the whole hydraulic support system in a segmented manner, so that the situations of oil leakage of pipelines without starting the hydraulic support groups, liquid channeling of hydraulic oil and the like are avoided, the hydraulic pressure is increased, and the sufficient supporting force of a top beam which can be provided for the hydraulic support is ensured; furthermore, the utility model discloses a hydraulic support's strutting arrangement supports between back timber and base when hydraulic support's stand rises, can effectively compensate the not enough of initial supporting force.
Drawings
FIG. 1 is a schematic diagram of a hydraulic mount system for maintaining a setting force according to the present invention;
fig. 2 is a schematic structural diagram of the hydraulic support of the present invention;
fig. 3 is a schematic structural view of another view of the hydraulic mount of the present invention;
fig. 4 is a schematic structural view of the supporting device when the locking device of the present invention is locked;
fig. 5 is a schematic structural diagram of the supporting device when the locking device is unlocked.
In the drawings: 10-a hydraulic pump station, 20-a pipeline, 21-a first stop valve, 22-a second stop valve, 30-a hydraulic support, 31-a top beam, 32-an upright post, 33-a base, 41-a support seat, 42-a support column, 43-a first tooth part, 51-a locking block, 52-a second tooth part and 53-a hydraulic cylinder.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention are clearly and completely described below, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The present invention will be further described with reference to the following embodiments, as shown in the accompanying drawings 1-5: the embodiment provides a hydraulic support system for maintaining initial support force, which comprises a plurality of groups of hydraulic support groups, a hydraulic pump station 10 for supplying liquid to the hydraulic support groups, and a pipeline 20 arranged between the hydraulic pump station 10 and the hydraulic support groups; a first stop valve 21 is arranged on a pipeline 20 between a hydraulic support group and the hydraulic pump station 10, and the first stop valve 21 is positioned at the oil supply end of the hydraulic support group; the hydraulic support group comprises a plurality of hydraulic supports 30 which are arranged in sequence, and each hydraulic support 30 comprises a base 33, an upright column 32 and a top beam 31; a supporting device for supporting the top beam 31 is provided between the top beam 31 and the base 33. When the hydraulic support system is used, a part of the first stop valves 21 can be selectively opened, and the hydraulic support group of the whole hydraulic support system can be used in a segmented manner, so that hydraulic loss of the whole system caused by oil leakage, liquid channeling of hydraulic oil and the like of pipelines of the unused hydraulic support group can be avoided, and the used hydraulic support group can have enough initial supporting force; in addition, the supporting device between the top beam 31 and the base 33 of the hydraulic support 30 of the embodiment can support the top beam 31 to a certain extent, thereby effectively making up for the phenomenon of insufficient initial supporting force caused by oil leakage of a hydraulic system; to sum up, the hydraulic support system of this embodiment can be effectively used for keeping the initial stress, guarantees work efficiency, can also avoid the potential safety hazard.
In this embodiment, a second stop valve 22 is disposed on the pipeline 20 between the hydraulic support 30 and the hydraulic pump, and the second stop valve 22 is located at the oil supply end of the hydraulic support 30. The second stop valve 22 is arranged at the oil supply end of each hydraulic support 30, and whether each hydraulic support 30 is started or not can be further selected, so that the loss of hydraulic oil in the unused oil path of the hydraulic support 30 is further avoided.
In this embodiment, a hydraulic mount set includes 10-15 hydraulic mounts 30. 10-15 hydraulic supports 30 are used as a group, which is in accordance with the practical application condition of the mine field.
In the present embodiment, the first stop valve 21 is a 25# stop valve, and the second stop valve 22 is a 16# stop valve. The type of the first and second cut-off valves 21, 22 is determined according to the pressure design of the actual hydraulic system.
In this embodiment, the supporting device includes a supporting seat 41, a supporting column 42 slidably connected to the supporting seat 41, and a locking device for locking and unlocking the supporting column 42 and the supporting seat 41; the supporting seat 41 is fixedly arranged on the base 33, the supporting pillar 42 is located on one side of the supporting seat 41 far away from the base 33, and one end of the supporting pillar 42 far away from the supporting seat 41 is fixed on one side of the top beam 31 close to the base 33. When the upright column 32 of the hydraulic support 30 is lifted, the distance between the top beam 31 and the base 33 is increased, the supporting column 42 fixed to the top beam 31 moves along the supporting seat 41 along with the movement of the top beam 31, the supporting column 42 moves in the same direction as the upright column 32, when the upright column 32 stops moving, the locking device locks the supporting column 42 and the supporting seat 41, the relative positions of the supporting column 42 and the supporting seat 41 are not changed, at the moment, the supporting column 42 is located between the supporting seat 41 and the top beam 31, and the supporting function is achieved on the top beam 31, so that the situation that the supporting force is insufficient is compensated to a.
In this embodiment, the locking device includes a pair of locking blocks 51 disposed on two sides of the supporting column 42 and a driving device for driving the locking blocks 51 to approach and separate from the supporting column 42; the surface of the supporting column 42 is provided with a plurality of first tooth parts 43, the first tooth parts 43 are respectively positioned at two sides of the central axis of the supporting column 42, one side of the locking block 51 close to the supporting column 42 is provided with a second tooth part 52 meshed with the first tooth parts 43, and the first tooth parts 43 and the second tooth parts 52 are both arranged to be right-angled. When the supporting column 42 stops moving, the driving device drives the locking block 51 to approach the supporting column 42, the second tooth part 52 on the locking block 51 is meshed with the first tooth part 43 on the supporting column 42, the right-angle side of the first tooth part 43 is positioned above the right-angle side of the second tooth part 52 and is abutted against the right-angle side of the second tooth part 52, and at the moment, the vertical downward acting force of the heavy object on the top beam 31 on the supporting column 42 is counteracted by the second tooth part 52 of the locking block 51; when the top beam 31 needs to be lowered, the first toothed portion 43 and the second toothed portion 52 can be separated by driving the locking block 51 away from the supporting column 42, so that the supporting column 42 and the supporting seat 41 are unlocked, the relative position between the supporting column 42 and the supporting seat 41 can be changed, and the supporting column 42 can slide along the supporting seat 41 to be retracted into the supporting seat 41.
In this embodiment, the first tooth portion 43 is located at one end of the supporting column 42 close to the supporting seat 41, and one side of the locking block 51 close to the supporting seat 41 is set to be a plane and abuts against the supporting seat 41. The force of the supporting beam 42 acting on the second tooth portion 52 is transmitted to the supporting seat 41 and is offset by the supporting force of the supporting seat 41.
In this embodiment, the driving device includes a pair of hydraulic cylinders 53 fixed on one end of the supporting base 41 away from the base 33, an expansion link of one hydraulic cylinder 53 is fixedly connected to one side of the locking block 51 away from the supporting column 42, the hydraulic cylinder 53 is used for driving the locking block 51 to approach and leave the supporting column 42, and the hydraulic cylinder 53 is connected to the hydraulic pump station 10 through a pipe. The hydraulic cylinder 53 is selected to push the locking block 51, because the hydraulic support system of the embodiment is provided with the hydraulic pump station 10, the hydraulic pump station 10 supplies liquid conveniently, and the driving device of the embodiment only needs to drive the locking block 51 to move, has small driving force, can achieve corresponding effect only by consuming a very small amount of hydraulic oil, and has no obvious influence on liquid supply of the whole system.
In this embodiment, the column 32 is provided with 2 pieces, and the support means is provided between the 2 pieces of column 32. The supporting device is arranged between the 2 upright posts 32, supports the middle position of the top beam 31 and has a better supporting effect.
Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same, and although the present invention is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it is to be understood that modifications may be made to the above-described arrangements in the embodiments or equivalents may be substituted for some of the features of the embodiments without departing from the spirit or scope of the present invention.
Claims (10)
1. A hydraulic mount system for maintaining a setting force, comprising: the hydraulic support comprises a plurality of groups of hydraulic support groups, a hydraulic pump station for supplying liquid to the hydraulic support groups, and a pipeline arranged between the hydraulic pump station and the hydraulic support groups;
a first stop valve is arranged on the pipeline between the hydraulic support group and the hydraulic pump station and is positioned at the oil supply end of the hydraulic support group;
the hydraulic support group comprises a plurality of hydraulic supports which are sequentially arranged, and each hydraulic support comprises a base, an upright post and a top beam; and a supporting device for supporting the top beam is arranged between the top beam and the base.
2. The hydraulic mount system for maintaining a setting force of claim 1, wherein: one between the hydraulic support and the hydraulic pump be provided with the second stop valve on the pipeline, the second stop valve is located hydraulic support's oil supply end.
3. The hydraulic mount system for maintaining a setting force of claim 2, wherein: the hydraulic support group comprises 10-15 hydraulic supports.
4. The hydraulic mount system for maintaining a setback force of claim 2, wherein the first shut-off valve is a 25# shut-off valve and the second shut-off valve is a 16# shut-off valve.
5. The hydraulic mount system for maintaining a setting force of claim 1, wherein: the supporting device comprises a supporting seat, a supporting column and a locking device, wherein the supporting column is connected with the supporting seat in a sliding mode, and the locking device is used for locking and unlocking the supporting column and the supporting seat;
the supporting seat is fixedly arranged on the base, the supporting column is located at one side, far away from the base, of the supporting seat, and one end, far away from the supporting seat, of the supporting column is fixed at one side, close to the base, of the top beam.
6. The hydraulic mount system for maintaining a setting force of claim 5, wherein: the locking device comprises a pair of locking blocks arranged on two sides of the supporting column and a driving device used for driving the locking blocks to be close to and far away from the supporting column;
the surface of the support column is provided with a plurality of first tooth parts, the first tooth parts are respectively positioned on two sides of the central axis of the support column, one side of the locking block, which is close to the support column, is provided with a second tooth part meshed with the first tooth parts, and the first tooth parts and the second tooth parts are both arranged to be right-angled.
7. The hydraulic mount system for maintaining a setting force of claim 6, wherein: the first tooth part is positioned at one end of the supporting column close to the supporting seat; one side that the locking piece is close to the supporting seat sets up to the plane and with the supporting seat butt.
8. The hydraulic mount system for maintaining a setting force of claim 6, wherein: the driving device comprises a pair of hydraulic cylinders fixedly arranged on the supporting seat and far away from one end of the base, one hydraulic cylinder is fixedly connected with one side, far away from the supporting column, of the locking block, and the hydraulic cylinders are used for driving the locking block to be close to and far away from the supporting column.
9. The hydraulic mount system for maintaining a setting force of claim 8, wherein: the hydraulic cylinder is connected with the hydraulic pump station through a pipe.
10. The hydraulic mount system for maintaining a setting force of claim 1, wherein: the stand is provided with 2, strutting arrangement locates 2 between the stand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020115797.0U CN211819475U (en) | 2020-01-17 | 2020-01-17 | Hydraulic support system for maintaining initial supporting force |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020115797.0U CN211819475U (en) | 2020-01-17 | 2020-01-17 | Hydraulic support system for maintaining initial supporting force |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211819475U true CN211819475U (en) | 2020-10-30 |
Family
ID=72991318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020115797.0U Expired - Fee Related CN211819475U (en) | 2020-01-17 | 2020-01-17 | Hydraulic support system for maintaining initial supporting force |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211819475U (en) |
-
2020
- 2020-01-17 CN CN202020115797.0U patent/CN211819475U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201030 Termination date: 20210117 |